2242458542449 has 2 divisors, whose sum is σ = 2242458542450. Its totient is φ = 2242458542448.

The previous prime is 2242458542381. The next prime is 2242458542491. The reversal of 2242458542449 is 9442458542422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2206531993600 + 35926548849 = 1485440^2 + 189543^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242458542449 - 2²⁹ = 2241921671537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2242458542449.

It is not a weakly prime, because it can be changed into another prime (2242458543449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121229271224 + 1121229271225.

It is an arithmetic number, because the mean of its divisors is an integer number (1121229271225).

Almost surely, 2^{2242458542449} is an apocalyptic number.

It is an amenable number.

2242458542449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242458542449 is an equidigital number, since it uses as much as digits as its factorization.

2242458542449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29491200, while the sum is 55.

The spelling of 2242458542449 in words is "two trillion, two hundred forty-two billion, four hundred fifty-eight million, five hundred forty-two thousand, four hundred forty-nine".